//指定模型，并设置其节点动画属性
private void cb_Model_SelectedIndexChanged(object sender, EventArgs e)
{
//如果之前的模型正在运动，则停止运动
if (m_nodeAnimation != null && m_nodeAnimation.IsEnabled == true)
{
m_nodeAnimation.IsEnabled = false;
}
//获取当前模型，并设置节点动画
String featureName = this.cb_Model.SelectedItem as String;
Feature3Ds features = m_layerKML.Features;
Feature3D[] feature3Ds = features.FindFeature(featureName, Feature3DSearchOption.AllFeatures);
if (feature3Ds.Length > 0)
{
Feature3D feature3D = feature3Ds[0];
GeoPlacemark geoPlacemark = feature3D.Geometry as GeoPlacemark;
m_geoModel = geoPlacemark.Geometry as GeoModel;
if (m_geoModel != null)
{
m_nodeAnimation = m_geoModel.NodeAnimation;
//位置变更事件
m_nodeAnimation.TimePositionChanged -= new TimePositionChangedEventHandler(m_nodeAnimationTimePositionChanged);
m_nodeAnimation.TimePositionChanged += new TimePositionChangedEventHandler(m_nodeAnimationTimePositionChanged);
if (m_geoLine3D != null && m_geoLine3D.PartCount > 0)
{
m_nodeAnimation.SetTrack(m_geoLine3D);
m_nodeAnimation.TimePostition = 0;
}
}
}
}
//关闭对话框
private void DlgNodeAnimation_FormClosing(object sender, FormClosingEventArgs e)
{
this.cb_Model.Items.Clear();
this.m_sceneControl.Scene.TrackingLayer.Clear();
m_nodeAnimation.TimePositionChanged -= new TimePositionChangedEventHandler(m_nodeAnimationTimePositionChanged);
m_sceneControl.Tracked -= new Tracked3DEventHandler(m_sceneControl_Tracked);
m_nodeAnimation.IsEnabled = false;
m_geoLine3D = null;
m_style3D = null;
m_nodeAnimation = null;
m_geoModel = null;
this.btn_AddToKML.Enabled = false;
}